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PDFCrack! is a free online PDF cracker. No installation, no registration, it

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

A-PDF Solution is a PDF software developer who focuses on providing affordable Acrobat PDF tools and customization service for personal and small business.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

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TechRepublic helps IT decision-makers identify technologies and strategies to empower workers and streamline business processes. The site delivers a unique blend of original content by IT professionals, peer-to-peer advice from the largest community ...

WikiAnswers: Questions and Answers from the Community

LockLizard specializes in DRM (Digital Rights Management), document security & copy protection software for PDF protection, ebook security, SWF flash.

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Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

Publication list Loet Leydesdorff: scientometrics, innovation studies, the knowledge-based economy, triple helix, self-organization theory, and simulation